[pfx] Re: I keep getting disabled on [email protected] mailing list

>>On 14.06.26 19:06, Al via Postfix-users wrote:
>>>I have taken a look at my logs:
>>>
>>>This is the error:
>>>
>>>Jun  9 12:03:41 sequoia postfix/smtpd[52759]: NOQUEUE: reject: 
>>>RCPT from unknown[45.90.5.195]: 554 5.7.1 Client host rejected: 
>>>cannot find your reverse hostname, [45.90.5.195]; 
>>>from=<[email protected]> to=<[email protected]> 
>>>proto=ESMTP helo=<list.sys4.de>

>On 17/06/2026 8:49 am, Matus UHLAR - fantomas via Postfix-users wrote:
>>Doesn't your ISP mess with DNS, e.g. intercept it?

On 18.06.26 20:34, Al via Postfix-users wrote:
>I don't know. How would I test this?

The only idea I have now is to ask them if they intercept, filter or rate 
limit DNS.

>>I'd advise to add IP 45.90.5.195 to client_checks instead.
>
>I just added this.

great, your main problem should be solved.
Note that if you really have DNS issues, other problems may arise.

I recommend watching logs for mail from this mailing list ocasionally.

-- 
Matus UHLAR - fantomas, [email protected] ; http://www.fantomas.sk/
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Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
"Where do you want to go to die?" [Microsoft]
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